function localStorage () {
  return window.localStorage
}

function get (key) {
  return JSON.parse(localStorage().getItem(key))
}

function set (key, data) {
  return localStorage().setItem(key, JSON.stringify(data))
}

function all () {
  const data = {}
  for (var i = localStorage().length - 1; i >= 0; i--) {
    var key = localStorage().key(i)
    data[key] = get(key)
  }

  return data
}

function remove (key) {
  return localStorage().removeItem(key)
}

function clearAll () {
  return localStorage().clear()
}

function has (key) {
  return localStorage().getItem(key) !== null
}

export default {
  get,
  set,
  all,
  remove,
  clearAll,
  has
}
